POP3 Mail Retrieval — Common Ports
Community software entries: links are references, not individual verification.
Default Ports (1)
POP3 (Post Office Protocol v3) fetches mail over TCP 110. After downloading, whether server copies are deleted depends on the client DELE command and server policy — unlike IMAP (143/993), which is designed to keep copies on the server. POP3 is plaintext; the TLS variant is POP3S on 995.
ProtocolVersion3
Scope
Port associations on this page are community-database references (common usage), not a live measurement of any machine; confirm with the official documentation before deployment.
Frequently asked questions
What port does POP3 Mail Retrieval use?
POP3 Mail Retrieval commonly uses these ports: 110. The default port is 110. These are community database references — actual configuration may differ.
How do I check if POP3 Mail Retrieval is running?
Run sudo ss -tlpn 'sport = :110' on the server to check for listening processes on these ports. Also use systemctl status <service> to check the service state. Without root you may not see other users' processes. A listening port alone does not prove the software identity — verify with the config file and process name.
What category does POP3 Mail Retrieval belong to?
POP3 Mail Retrieval belongs to the Email & Messaging category. This page lists the software's port associations and their roles.
Quick Info
- Categories
- Email & Messaging
- Associated ports
- 1
- Aliases
- —